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Commons Modeler example source code file (ConstructorInfo.java)

This example Commons Modeler source code file (ConstructorInfo.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Commons Modeler tags/keywords

constructorinfo, constructorinfo, descriptor, featureinfo, io, management, mbeanparameterinfo, modelmbeanconstructorinfo, modelmbeanconstructorinfo, parameterinfo, parameterinfo, serializable, string, string, stringbuffer

The Commons Modeler ConstructorInfo.java source code

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package org.apache.commons.modeler;


import java.io.Serializable;

import javax.management.Descriptor;
import javax.management.MBeanParameterInfo;
import javax.management.modelmbean.ModelMBeanConstructorInfo;


/**
 * <p>Internal configuration information for a Constructor
 * descriptor.</p>
 *
 * @author Craig R. McClanahan
 * @version $Revision: 480402 $ $Date: 2006-11-29 04:43:23 +0000 (Wed, 29 Nov 2006) $
 */

public class ConstructorInfo extends FeatureInfo implements Serializable {
    static final long serialVersionUID = -5735336213417238238L;

    // ----------------------------------------------------- Instance Variables


    /**
     * The <code>ModelMBeanConstructorInfo object that corresponds
     * to this <code>ConstructorInfo instance.
     */
    transient ModelMBeanConstructorInfo info = null;
    protected String displayName = null;
    protected ParameterInfo parameters[] = new ParameterInfo[0];


    // ------------------------------------------------------------- Properties


    /**
     * Override the <code>description property setter.
     *
     * @param description The new description
     */
    public void setDescription(String description) {
        super.setDescription(description);
        this.info = null;
    }


    /**
     * Override the <code>name property setter.
     *
     * @param name The new name
     */
    public void setName(String name) {
        super.setName(name);
        this.info = null;
    }


    /**
     * The display name of this attribute.
     */
    public String getDisplayName() {
        return (this.displayName);
    }

    public void setDisplayName(String displayName) {
        this.displayName = displayName;
    }


    /**
     * The set of parameters for this constructor.
     */
    public ParameterInfo[] getSignature() {
        return (this.parameters);
    }


    // --------------------------------------------------------- Public Methods


    /**
     * Add a new parameter to the set of parameters for this constructor.
     *
     * @param parameter The new parameter descriptor
     */
    public void addParameter(ParameterInfo parameter) {

        synchronized (parameters) {
            ParameterInfo results[] = new ParameterInfo[parameters.length + 1];
            System.arraycopy(parameters, 0, results, 0, parameters.length);
            results[parameters.length] = parameter;
            parameters = results;
            this.info = null;
        }

    }


    /**
     * Create and return a <code>ModelMBeanConstructorInfo object that
     * corresponds to the attribute described by this instance.
     */
    public ModelMBeanConstructorInfo createConstructorInfo() {

        // Return our cached information (if any)
        if (info != null)
            return (info);

        // Create and return a new information object
        ParameterInfo params[] = getSignature();
        MBeanParameterInfo parameters[] =
            new MBeanParameterInfo[params.length];
        for (int i = 0; i < params.length; i++)
            parameters[i] = params[i].createParameterInfo();
        info = new ModelMBeanConstructorInfo
            (getName(), getDescription(), parameters);
        Descriptor descriptor = info.getDescriptor();
        descriptor.removeField("class");
        if (getDisplayName() != null)
            descriptor.setField("displayName", getDisplayName());
        addFields(descriptor);
        info.setDescriptor(descriptor);
        return (info);

    }


    /**
     * Return a string representation of this constructor descriptor.
     */
    public String toString() {

        StringBuffer sb = new StringBuffer("ConstructorInfo[");
        sb.append("name=");
        sb.append(name);
        sb.append(", description=");
        sb.append(description);
        sb.append(", parameters=");
        sb.append(parameters.length);
        sb.append("]");
        return (sb.toString());

    }


}

Other Commons Modeler examples (source code examples)

Here is a short list of links related to this Commons Modeler ConstructorInfo.java source code file:

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